Path: utzoo!utgpu!watserv1!watmath!att!att!pacbell.com!ames!haven!mimsy!mojo!russotto From: russotto@eng.umd.edu (Matthew T. Russotto) Newsgroups: comp.sys.mac.hardware Subject: Re: Need opinions on maxed-out SCSI bus Message-ID: <1990Nov28.051437.7839@eng.umd.edu> Date: 28 Nov 90 05:14:37 GMT References: <1990Nov26.172348.16604@phri.nyu.edu> Sender: news@eng.umd.edu (C-News) Organization: College of Engineering, Maryversity of Uniland, College Park Lines: 30 In article Patrick.Hayes@cediag.bull.fr (Patrick Hayes) writes: >Well, my scsi bus isn't maxed out yet, but I do have a word or two to say. >My A/UX Mac II has: >Scid 0: Micropolis 1578 external 330 Mbyte HD >Scid 1: Apple Quantum internal80 Mbyte HD >Scid 2: Microtech Syquest 44 Mbyte removable >Scid 3: Archive 60EP/150EP DC600 (A/UX only) >Scid 4: Apple CD-ROM >I had no end of problems once I connected the CD-ROM, until I opened it up and >noticed that Apple had miscabled the connectors. Normally cabled SCSI drives >have cables that go from Scsi in -> Scsi device -> Scsi out. The Apple drive >violates the Scsi bus by using Scsi in -> Scsi out -> Scsi device. Once I cut >off one the connectors by cutting the cable between the two connectors and >turning the CD-ROM into an endpoint-only device I stopped having corrupted >filesystems. When I find someone in france selling 50 point ribbon cable, I'll >try to fix the drive and turn it back into a device I can put anywhere on the >bus. > >Given my experience with the Apple CD-ROM, I can't recommend it to anyone else >until Apple recables them correctly. > >I'm fairly angry at Apple for selling products which are as badly designed as >this, If anyone could justify this behavior, other than saving 2 cents, I'd >like to hear it. My early Apple CD ROM (w/fan) has the cable wired properly. Is yourse a REALLY early one, or is it a newer one without the fan? -- Matthew T. Russotto russotto@eng.umd.edu russotto@wam.umd.edu .sig under construction, like the rest of this campus.